Frequency and resolution are a big part of our daily life and learning how it was recorded in the past to how we do it today was very interesting. I always knew that there were things we as humans couldn't hear depending on the frequency. For example, something that is so high pitched were not able to might be at a frequency that our pets are able to hear. I also learned how big of a difference resolution makes when looking at an image. I started to pay more attention to this when I would crop or edit my images and how they wouldn't be as clear as the original because it was losing pixels and therefore had less resolution than the original.